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Finding the Fourth Proportional to 13,658.01, 20,491.26 and 4,893.00

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Solution

The fourth proportional to 13,658.01, 20,491.26 and 4,893.00 is: 7,341.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.01 : 20,491.26 = 4,893.00 : x
  2. Step 2: Convert to fraction form
    13,658.01/20,491.26 = 4,893.00/x
  3. Step 3: Cross multiply
    13,658.01x = 20,491.26 × 4,893.00
  4. Step 4: Simplify right side
    13,658.01x = 100,263,632.72
  5. Step 5: Solve for x
    x = 100,263,632.72/13,658.01
  6. Step 6: Final answer
    x = 7,341.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.